85-03-01107
FV34 DECOR
Page
60
FV34 DECOR Master Flue Venting Chart
1.
18 inches minimum vertical pipe run required to
be connected directly to this
fireplace’s flue
starter collar.
CAUTION: ALL MEASURMENTS IN THIS MANUAL
USE ONE 12” AND ONE 6” PIECE TO ACHIEVE
THE FIRST 18” VERTICAL STARTER SECTION
LENGTH. ALL RELATED MEASUREMENTS ARE
EXTRAPOLATED USING THIS 2 PIECES STARTER
SECTION. DO NOT USE A 1-PI
ECE 18” SECTION
AS THE FIRST STARTER VERTICAL SECTION. FOR
A 1-PIECE STARTER VERTICAL SECTION, THE
VERTICAL HEIGHT OF THE HOLE IN THE WALL
FOR MINIMUM RISE HORIZONTAL VENTING
MUST BE 1-
3/8” HIGHER THAN WHEN USING A
12” AND 6” SECTIONS.
2.
Maximum Horizontal run allowed with the
minimum 18” vertical run is 6”.
3.
Maximum Vertical Run allowed is 40 feet.
4.
Maximum Vent System length allowed is 40 feet.
5.
25 feet maximum horizontal run allowed with a
minimum 5 feet starter section. If the starter
vertical section is less than 5 feet, use the chart
and reduce 3 feet for every 90
0
-elbow installed
after the first 90
0
elbow.
6.
25 feet maximum horizontal run allowed only if
the first vertical section connected directly to the
top of this fireplace is 5 feet or longer. Three 90
0
elbows may be installed anywhere within the 25
feet horizontal run but reduce 3 feet for every
90
0
-elbow installed after the first 90
0
elbow. 4th
90
o
elbow is allowed at the end of the horizontal
run but the 4th 90
o
elbow must point vertically
upward and you must terminate the vent system
vertically.
7.
For ALL horizontal terminations, only 3 90
o
elbows allowed.
8.
For ALL vertical terminations, four 90
o
elbows allowed. However, the 4th 90
o
elbow must
point vertically and directly to the vent termination Cap.
High Altitude Installation Information
Prior to installing at altitudes higher than 7500, please contact the Mendota technical service
department for specific venting requirements and venting restrictions.
Maximum Horizontal Run
A. Maximum Horizontal Run allowed is 25 feet if a vertical starter section that is between 5 feet
to 17 feet is connected directly to this fireplace’s flue starter collar and no more than three (3) 90
o
elbows are used.
B. Maximum Horizontal Run
allowed is 6” if an 18” starter vertical section then a 90
-degree elbow is connected directly to
this fireplace’s flue starter collar.
Maximum Vent System Length
A. Combined total length of all straight pipe sections in the vent system shall be less than 40 feet.
V min
H max
18 in.
6"
24 in.
4’
36 in.
11’
48 in.
18’
60 in.
25'
5 ft. - 17 ft.
25'
17ft. - 40 ft.
Varies
Figure 4-17 MASTER VENTING CHART
FV34
1'
2'
3'
4'
6'
10'
40'
35'
30'
25'
20'
18'
17'
16'
1'
2'
5'
10'11'
17'18' 20'
24'
25'
6"
1
8"
MINIMUM 18" VERTICAL STARTER SECTION REQUIRED.
MAXIMUM 6" HORIZONTAL RUN WITH 18" VERTICAL STARTER
SECTION ALLOWED.
MAXIMUM 25 FEET HORIZONTAL RUN ALLOWED WITH
MINIMUM
5 FEET VERTICAL STARTER SECTION.
MAXIMUM 40 FEET VERTICAL RUN ALLOWED.
MAXIMUM 40 FEET VENT SYSTEM LENGTH ALLOWED.
MAXIMUM 3 90° ELBOWS ALLOWED FOR HORIZONTAL
TERMINATION.
MAXIMUM 4 90° ELBOWS ALLOWED FOR VERTICAL
TERMINATION.
12'
